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Finding the Third Proportional to 178,362,127 and 391,799,354

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Solution

The third proportional to 178,362,127 and 391,799,354 is: 860,646,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,362,127 : 391,799,354 = 391,799,354 : x
  2. Step 2: Convert to fraction form
    178,362,127/391,799,354 = 391,799,354/x
  3. Step 3: Cross multiply
    178,362,127x = 391,799,354 × 391,799,354
  4. Step 4: Simplify right side
    178,362,127x = 153,506,733,794,817,312
  5. Step 5: Solve for x
    x = 153,506,733,794,817,312/178,362,127
  6. Step 6: Final answer
    x = 860,646,463.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.