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Finding the Third Proportional to 64,840,987.50 and 100,291,473

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Solution

The third proportional to 64,840,987.50 and 100,291,473 is: 155,123,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840,987.50 : 100,291,473 = 100,291,473 : x
  2. Step 2: Convert to fraction form
    64,840,987.50/100,291,473 = 100,291,473/x
  3. Step 3: Cross multiply
    64,840,987.50x = 100,291,473 × 100,291,473
  4. Step 4: Simplify right side
    64,840,987.50x = 10,058,379,556,509,728
  5. Step 5: Solve for x
    x = 10,058,379,556,509,728/64,840,987.50
  6. Step 6: Final answer
    x = 155,123,787.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.