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Finding the Third Proportional to 42,328,080 and 61,858,606.50

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Solution

The third proportional to 42,328,080 and 61,858,606.50 is: 90,400,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,328,080 : 61,858,606.50 = 61,858,606.50 : x
  2. Step 2: Convert to fraction form
    42,328,080/61,858,606.50 = 61,858,606.50/x
  3. Step 3: Cross multiply
    42,328,080x = 61,858,606.50 × 61,858,606.50
  4. Step 4: Simplify right side
    42,328,080x = 3,826,487,198,121,842
  5. Step 5: Solve for x
    x = 3,826,487,198,121,842/42,328,080
  6. Step 6: Final answer
    x = 90,400,679.60

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.