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Finding the Third Proportional to 15,641,215 and 32,712,511

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Solution

The third proportional to 15,641,215 and 32,712,511 is: 68,415,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641,215 : 32,712,511 = 32,712,511 : x
  2. Step 2: Convert to fraction form
    15,641,215/32,712,511 = 32,712,511/x
  3. Step 3: Cross multiply
    15,641,215x = 32,712,511 × 32,712,511
  4. Step 4: Simplify right side
    15,641,215x = 1,070,108,375,925,121
  5. Step 5: Solve for x
    x = 1,070,108,375,925,121/15,641,215
  6. Step 6: Final answer
    x = 68,415,936.74

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.