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Finding the Third Proportional to 254,833,423 and 393,516,056

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Solution

The third proportional to 254,833,423 and 393,516,056 is: 607,671,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,833,423 : 393,516,056 = 393,516,056 : x
  2. Step 2: Convert to fraction form
    254,833,423/393,516,056 = 393,516,056/x
  3. Step 3: Cross multiply
    254,833,423x = 393,516,056 × 393,516,056
  4. Step 4: Simplify right side
    254,833,423x = 154,854,886,329,795,136
  5. Step 5: Solve for x
    x = 154,854,886,329,795,136/254,833,423
  6. Step 6: Final answer
    x = 607,671,020.96

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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.