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Finding the Third Proportional to 615,993,290 and 939,505,065

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Solution

The third proportional to 615,993,290 and 939,505,065 is: 1,432,921,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,993,290 : 939,505,065 = 939,505,065 : x
  2. Step 2: Convert to fraction form
    615,993,290/939,505,065 = 939,505,065/x
  3. Step 3: Cross multiply
    615,993,290x = 939,505,065 × 939,505,065
  4. Step 4: Simplify right side
    615,993,290x = 882,669,767,160,654,208
  5. Step 5: Solve for x
    x = 882,669,767,160,654,208/615,993,290
  6. Step 6: Final answer
    x = 1,432,921,074.77

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.