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Finding the Third Proportional to 12,791,127 and 19,680,730

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Solution

The third proportional to 12,791,127 and 19,680,730 is: 30,281,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,127 : 19,680,730 = 19,680,730 : x
  2. Step 2: Convert to fraction form
    12,791,127/19,680,730 = 19,680,730/x
  3. Step 3: Cross multiply
    12,791,127x = 19,680,730 × 19,680,730
  4. Step 4: Simplify right side
    12,791,127x = 387,331,133,332,900
  5. Step 5: Solve for x
    x = 387,331,133,332,900/12,791,127
  6. Step 6: Final answer
    x = 30,281,235.84

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.