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Finding the Third Proportional to 254,893,730 and 393,600,513

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Solution

The third proportional to 254,893,730 and 393,600,513 is: 607,788,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,893,730 : 393,600,513 = 393,600,513 : x
  2. Step 2: Convert to fraction form
    254,893,730/393,600,513 = 393,600,513/x
  3. Step 3: Cross multiply
    254,893,730x = 393,600,513 × 393,600,513
  4. Step 4: Simplify right side
    254,893,730x = 154,921,363,833,863,168
  5. Step 5: Solve for x
    x = 154,921,363,833,863,168/254,893,730
  6. Step 6: Final answer
    x = 607,788,052.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.