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Finding the Third Proportional to 158,439,518 and 340,306,708

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Solution

The third proportional to 158,439,518 and 340,306,708 is: 730,932,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,439,518 : 340,306,708 = 340,306,708 : x
  2. Step 2: Convert to fraction form
    158,439,518/340,306,708 = 340,306,708/x
  3. Step 3: Cross multiply
    158,439,518x = 340,306,708 × 340,306,708
  4. Step 4: Simplify right side
    158,439,518x = 115,808,655,509,797,264
  5. Step 5: Solve for x
    x = 115,808,655,509,797,264/158,439,518
  6. Step 6: Final answer
    x = 730,932,894.59

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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.