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Finding the Third Proportional to 91,174,660 and 130,371,036

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Solution

The third proportional to 91,174,660 and 130,371,036 is: 186,418,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,174,660 : 130,371,036 = 130,371,036 : x
  2. Step 2: Convert to fraction form
    91,174,660/130,371,036 = 130,371,036/x
  3. Step 3: Cross multiply
    91,174,660x = 130,371,036 × 130,371,036
  4. Step 4: Simplify right side
    91,174,660x = 16,996,607,027,713,296
  5. Step 5: Solve for x
    x = 16,996,607,027,713,296/91,174,660
  6. Step 6: Final answer
    x = 186,418,101.56

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.