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Finding the Third Proportional to 8,973,332 and 13,920,909

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Solution

The third proportional to 8,973,332 and 13,920,909 is: 21,596,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973,332 : 13,920,909 = 13,920,909 : x
  2. Step 2: Convert to fraction form
    8,973,332/13,920,909 = 13,920,909/x
  3. Step 3: Cross multiply
    8,973,332x = 13,920,909 × 13,920,909
  4. Step 4: Simplify right side
    8,973,332x = 193,791,707,386,281
  5. Step 5: Solve for x
    x = 193,791,707,386,281/8,973,332
  6. Step 6: Final answer
    x = 21,596,404.48

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.