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Finding the Third Proportional to 7,140,580 and 15,729,704

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Solution

The third proportional to 7,140,580 and 15,729,704 is: 34,650,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,580 : 15,729,704 = 15,729,704 : x
  2. Step 2: Convert to fraction form
    7,140,580/15,729,704 = 15,729,704/x
  3. Step 3: Cross multiply
    7,140,580x = 15,729,704 × 15,729,704
  4. Step 4: Simplify right side
    7,140,580x = 247,423,587,927,616
  5. Step 5: Solve for x
    x = 247,423,587,927,616/7,140,580
  6. Step 6: Final answer
    x = 34,650,348.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.