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Finding the Third Proportional to 188,947,518 and 293,257,854

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Solution

The third proportional to 188,947,518 and 293,257,854 is: 455,153,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,947,518 : 293,257,854 = 293,257,854 : x
  2. Step 2: Convert to fraction form
    188,947,518/293,257,854 = 293,257,854/x
  3. Step 3: Cross multiply
    188,947,518x = 293,257,854 × 293,257,854
  4. Step 4: Simplify right side
    188,947,518x = 86,000,168,932,685,312
  5. Step 5: Solve for x
    x = 86,000,168,932,685,312/188,947,518
  6. Step 6: Final answer
    x = 455,153,737.10

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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.