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Finding the Third Proportional to 297,114,390 and 651,624,390

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Solution

The third proportional to 297,114,390 and 651,624,390 is: 1,429,127,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,114,390 : 651,624,390 = 651,624,390 : x
  2. Step 2: Convert to fraction form
    297,114,390/651,624,390 = 651,624,390/x
  3. Step 3: Cross multiply
    297,114,390x = 651,624,390 × 651,624,390
  4. Step 4: Simplify right side
    297,114,390x = 424,614,345,642,872,128
  5. Step 5: Solve for x
    x = 424,614,345,642,872,128/297,114,390
  6. Step 6: Final answer
    x = 1,429,127,500.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.