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Finding the Third Proportional to 6,996,720 and 10,516,680

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Solution

The third proportional to 6,996,720 and 10,516,680 is: 15,807,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,996,720 : 10,516,680 = 10,516,680 : x
  2. Step 2: Convert to fraction form
    6,996,720/10,516,680 = 10,516,680/x
  3. Step 3: Cross multiply
    6,996,720x = 10,516,680 × 10,516,680
  4. Step 4: Simplify right side
    6,996,720x = 110,600,558,222,400
  5. Step 5: Solve for x
    x = 110,600,558,222,400/6,996,720
  6. Step 6: Final answer
    x = 15,807,486.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.