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Finding the Third Proportional to 437,478,501 and 639,608,851

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Solution

The third proportional to 437,478,501 and 639,608,851 is: 935,130,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,478,501 : 639,608,851 = 639,608,851 : x
  2. Step 2: Convert to fraction form
    437,478,501/639,608,851 = 639,608,851/x
  3. Step 3: Cross multiply
    437,478,501x = 639,608,851 × 639,608,851
  4. Step 4: Simplify right side
    437,478,501x = 409,099,482,277,540,224
  5. Step 5: Solve for x
    x = 409,099,482,277,540,224/437,478,501
  6. Step 6: Final answer
    x = 935,130,483.77

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.