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Finding the Third Proportional to 123,035,598 and 290,437,128

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Solution

The third proportional to 123,035,598 and 290,437,128 is: 685,604,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,035,598 : 290,437,128 = 290,437,128 : x
  2. Step 2: Convert to fraction form
    123,035,598/290,437,128 = 290,437,128/x
  3. Step 3: Cross multiply
    123,035,598x = 290,437,128 × 290,437,128
  4. Step 4: Simplify right side
    123,035,598x = 84,353,725,320,888,384
  5. Step 5: Solve for x
    x = 84,353,725,320,888,384/123,035,598
  6. Step 6: Final answer
    x = 685,604,220.99

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.