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Finding the Third Proportional to 42,044,358 and 90,373,668

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Solution

The third proportional to 42,044,358 and 90,373,668 is: 194,256,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,044,358 : 90,373,668 = 90,373,668 : x
  2. Step 2: Convert to fraction form
    42,044,358/90,373,668 = 90,373,668/x
  3. Step 3: Cross multiply
    42,044,358x = 90,373,668 × 90,373,668
  4. Step 4: Simplify right side
    42,044,358x = 8,167,399,867,774,224
  5. Step 5: Solve for x
    x = 8,167,399,867,774,224/42,044,358
  6. Step 6: Final answer
    x = 194,256,738.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.