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Finding the Third Proportional to 7,115,904 and 15,312,510

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Solution

The third proportional to 7,115,904 and 15,312,510 is: 32,950,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,904 : 15,312,510 = 15,312,510 : x
  2. Step 2: Convert to fraction form
    7,115,904/15,312,510 = 15,312,510/x
  3. Step 3: Cross multiply
    7,115,904x = 15,312,510 × 15,312,510
  4. Step 4: Simplify right side
    7,115,904x = 234,472,962,500,100
  5. Step 5: Solve for x
    x = 234,472,962,500,100/7,115,904
  6. Step 6: Final answer
    x = 32,950,551.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.