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Finding the Third Proportional to 153,918,261 and 238,530,925.13

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Solution

The third proportional to 153,918,261 and 238,530,925.13 is: 369,657,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,918,261 : 238,530,925.13 = 238,530,925.13 : x
  2. Step 2: Convert to fraction form
    153,918,261/238,530,925.13 = 238,530,925.13/x
  3. Step 3: Cross multiply
    153,918,261x = 238,530,925.13 × 238,530,925.13
  4. Step 4: Simplify right side
    153,918,261x = 56,897,002,240,988,360
  5. Step 5: Solve for x
    x = 56,897,002,240,988,360/153,918,261
  6. Step 6: Final answer
    x = 369,657,257.50

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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.