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Finding the Third Proportional to 55,175,808 and 130,064,772

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Solution

The third proportional to 55,175,808 and 130,064,772 is: 306,598,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,175,808 : 130,064,772 = 130,064,772 : x
  2. Step 2: Convert to fraction form
    55,175,808/130,064,772 = 130,064,772/x
  3. Step 3: Cross multiply
    55,175,808x = 130,064,772 × 130,064,772
  4. Step 4: Simplify right side
    55,175,808x = 16,916,844,915,411,984
  5. Step 5: Solve for x
    x = 16,916,844,915,411,984/55,175,808
  6. Step 6: Final answer
    x = 306,598,952.12

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.