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Finding the Third Proportional to 158,342,782 and 245,176,129

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Solution

The third proportional to 158,342,782 and 245,176,129 is: 379,627,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,342,782 : 245,176,129 = 245,176,129 : x
  2. Step 2: Convert to fraction form
    158,342,782/245,176,129 = 245,176,129/x
  3. Step 3: Cross multiply
    158,342,782x = 245,176,129 × 245,176,129
  4. Step 4: Simplify right side
    158,342,782x = 60,111,334,231,424,640
  5. Step 5: Solve for x
    x = 60,111,334,231,424,640/158,342,782
  6. Step 6: Final answer
    x = 379,627,877.39

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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.