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Finding the Third Proportional to 90,187,563 and 197,611,854

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Solution

The third proportional to 90,187,563 and 197,611,854 is: 432,991,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,187,563 : 197,611,854 = 197,611,854 : x
  2. Step 2: Convert to fraction form
    90,187,563/197,611,854 = 197,611,854/x
  3. Step 3: Cross multiply
    90,187,563x = 197,611,854 × 197,611,854
  4. Step 4: Simplify right side
    90,187,563x = 39,050,444,841,317,312
  5. Step 5: Solve for x
    x = 39,050,444,841,317,312/90,187,563
  6. Step 6: Final answer
    x = 432,991,462.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.