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Finding the Third Proportional to 103,658,390 and 239,975,530

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Solution

The third proportional to 103,658,390 and 239,975,530 is: 555,558,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658,390 : 239,975,530 = 239,975,530 : x
  2. Step 2: Convert to fraction form
    103,658,390/239,975,530 = 239,975,530/x
  3. Step 3: Cross multiply
    103,658,390x = 239,975,530 × 239,975,530
  4. Step 4: Simplify right side
    103,658,390x = 57,588,254,998,780,896
  5. Step 5: Solve for x
    x = 57,588,254,998,780,896/103,658,390
  6. Step 6: Final answer
    x = 555,558,069.14

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.