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Finding the Third Proportional to 100,988,248 and 220,872,176

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Solution

The third proportional to 100,988,248 and 220,872,176 is: 483,071,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,988,248 : 220,872,176 = 220,872,176 : x
  2. Step 2: Convert to fraction form
    100,988,248/220,872,176 = 220,872,176/x
  3. Step 3: Cross multiply
    100,988,248x = 220,872,176 × 220,872,176
  4. Step 4: Simplify right side
    100,988,248x = 48,784,518,130,974,976
  5. Step 5: Solve for x
    x = 48,784,518,130,974,976/100,988,248
  6. Step 6: Final answer
    x = 483,071,239.45

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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.