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Finding the Third Proportional to 7,280,080 and 15,676,448

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Solution

The third proportional to 7,280,080 and 15,676,448 is: 33,756,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,080 : 15,676,448 = 15,676,448 : x
  2. Step 2: Convert to fraction form
    7,280,080/15,676,448 = 15,676,448/x
  3. Step 3: Cross multiply
    7,280,080x = 15,676,448 × 15,676,448
  4. Step 4: Simplify right side
    7,280,080x = 245,751,021,896,704
  5. Step 5: Solve for x
    x = 245,751,021,896,704/7,280,080
  6. Step 6: Final answer
    x = 33,756,637.55

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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.