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Finding the Third Proportional to 425,553,256 and 646,910,272

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Solution

The third proportional to 425,553,256 and 646,910,272 is: 983,408,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,553,256 : 646,910,272 = 646,910,272 : x
  2. Step 2: Convert to fraction form
    425,553,256/646,910,272 = 646,910,272/x
  3. Step 3: Cross multiply
    425,553,256x = 646,910,272 × 646,910,272
  4. Step 4: Simplify right side
    425,553,256x = 418,492,900,019,113,984
  5. Step 5: Solve for x
    x = 418,492,900,019,113,984/425,553,256
  6. Step 6: Final answer
    x = 983,408,995.51

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.