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Finding the Third Proportional to 14,947,977,915 and 21,023,330,799

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Solution

The third proportional to 14,947,977,915 and 21,023,330,799 is: 29,567,908,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,977,915 : 21,023,330,799 = 21,023,330,799 : x
  2. Step 2: Convert to fraction form
    14,947,977,915/21,023,330,799 = 21,023,330,799/x
  3. Step 3: Cross multiply
    14,947,977,915x = 21,023,330,799 × 21,023,330,799
  4. Step 4: Simplify right side
    14,947,977,915x = 441,980,437,884,182,003,712
  5. Step 5: Solve for x
    x = 441,980,437,884,182,003,712/14,947,977,915
  6. Step 6: Final answer
    x = 29,567,908,140.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.