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Finding the Third Proportional to 15,641,178 and 32,712,434

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Solution

The third proportional to 15,641,178 and 32,712,434 is: 68,415,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641,178 : 32,712,434 = 32,712,434 : x
  2. Step 2: Convert to fraction form
    15,641,178/32,712,434 = 32,712,434/x
  3. Step 3: Cross multiply
    15,641,178x = 32,712,434 × 32,712,434
  4. Step 4: Simplify right side
    15,641,178x = 1,070,103,338,204,356
  5. Step 5: Solve for x
    x = 1,070,103,338,204,356/15,641,178
  6. Step 6: Final answer
    x = 68,415,776.50

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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.