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Finding the Third Proportional to 242,576,756 and 396,064,050

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Solution

The third proportional to 242,576,756 and 396,064,050 is: 646,668,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,576,756 : 396,064,050 = 396,064,050 : x
  2. Step 2: Convert to fraction form
    242,576,756/396,064,050 = 396,064,050/x
  3. Step 3: Cross multiply
    242,576,756x = 396,064,050 × 396,064,050
  4. Step 4: Simplify right side
    242,576,756x = 156,866,731,702,402,496
  5. Step 5: Solve for x
    x = 156,866,731,702,402,496/242,576,756
  6. Step 6: Final answer
    x = 646,668,437.20

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.