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Finding the Third Proportional to 153,242,398 and 340,497,018

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Solution

The third proportional to 153,242,398 and 340,497,018 is: 756,567,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,242,398 : 340,497,018 = 340,497,018 : x
  2. Step 2: Convert to fraction form
    153,242,398/340,497,018 = 340,497,018/x
  3. Step 3: Cross multiply
    153,242,398x = 340,497,018 × 340,497,018
  4. Step 4: Simplify right side
    153,242,398x = 115,938,219,266,892,320
  5. Step 5: Solve for x
    x = 115,938,219,266,892,320/153,242,398
  6. Step 6: Final answer
    x = 756,567,508.60

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.