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Finding the Third Proportional to 170,832,672 and 255,129,557

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Solution

The third proportional to 170,832,672 and 255,129,557 is: 381,022,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,832,672 : 255,129,557 = 255,129,557 : x
  2. Step 2: Convert to fraction form
    170,832,672/255,129,557 = 255,129,557/x
  3. Step 3: Cross multiply
    170,832,672x = 255,129,557 × 255,129,557
  4. Step 4: Simplify right side
    170,832,672x = 65,091,090,855,016,248
  5. Step 5: Solve for x
    x = 65,091,090,855,016,248/170,832,672
  6. Step 6: Final answer
    x = 381,022,494.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.