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Finding the Third Proportional to 15,781,569 and 33,960,090

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Solution

The third proportional to 15,781,569 and 33,960,090 is: 73,078,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,569 : 33,960,090 = 33,960,090 : x
  2. Step 2: Convert to fraction form
    15,781,569/33,960,090 = 33,960,090/x
  3. Step 3: Cross multiply
    15,781,569x = 33,960,090 × 33,960,090
  4. Step 4: Simplify right side
    15,781,569x = 1,153,287,712,808,100
  5. Step 5: Solve for x
    x = 1,153,287,712,808,100/15,781,569
  6. Step 6: Final answer
    x = 73,078,140.25

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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.