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Finding the Third Proportional to 291,817,124 and 455,392,758

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Solution

The third proportional to 291,817,124 and 455,392,758 is: 710,659,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,817,124 : 455,392,758 = 455,392,758 : x
  2. Step 2: Convert to fraction form
    291,817,124/455,392,758 = 455,392,758/x
  3. Step 3: Cross multiply
    291,817,124x = 455,392,758 × 455,392,758
  4. Step 4: Simplify right side
    291,817,124x = 207,382,564,038,846,560
  5. Step 5: Solve for x
    x = 207,382,564,038,846,560/291,817,124
  6. Step 6: Final answer
    x = 710,659,337.59

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.