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Finding the Third Proportional to 6,385,306 and 9,913,720

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Solution

The third proportional to 6,385,306 and 9,913,720 is: 15,391,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,306 : 9,913,720 = 9,913,720 : x
  2. Step 2: Convert to fraction form
    6,385,306/9,913,720 = 9,913,720/x
  3. Step 3: Cross multiply
    6,385,306x = 9,913,720 × 9,913,720
  4. Step 4: Simplify right side
    6,385,306x = 98,281,844,238,400
  5. Step 5: Solve for x
    x = 98,281,844,238,400/6,385,306
  6. Step 6: Final answer
    x = 15,391,876.95

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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.