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Finding the Third Proportional to 426,481,479 and 655,241,656.50

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Solution

The third proportional to 426,481,479 and 655,241,656.50 is: 1,006,706,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,481,479 : 655,241,656.50 = 655,241,656.50 : x
  2. Step 2: Convert to fraction form
    426,481,479/655,241,656.50 = 655,241,656.50/x
  3. Step 3: Cross multiply
    426,481,479x = 655,241,656.50 × 655,241,656.50
  4. Step 4: Simplify right side
    426,481,479x = 429,341,628,412,864,000
  5. Step 5: Solve for x
    x = 429,341,628,412,864,000/426,481,479
  6. Step 6: Final answer
    x = 1,006,706,385.98

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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.