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Finding the Third Proportional to 341,279,649 and 515,506,072.50

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Solution

The third proportional to 341,279,649 and 515,506,072.50 is: 778,676,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,279,649 : 515,506,072.50 = 515,506,072.50 : x
  2. Step 2: Convert to fraction form
    341,279,649/515,506,072.50 = 515,506,072.50/x
  3. Step 3: Cross multiply
    341,279,649x = 515,506,072.50 × 515,506,072.50
  4. Step 4: Simplify right side
    341,279,649x = 265,746,510,784,375,264
  5. Step 5: Solve for x
    x = 265,746,510,784,375,264/341,279,649
  6. Step 6: Final answer
    x = 778,676,699.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.