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Finding the Third Proportional to 115,046,429 and 155,485,770

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Solution

The third proportional to 115,046,429 and 155,485,770 is: 210,139,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,046,429 : 155,485,770 = 155,485,770 : x
  2. Step 2: Convert to fraction form
    115,046,429/155,485,770 = 155,485,770/x
  3. Step 3: Cross multiply
    115,046,429x = 155,485,770 × 155,485,770
  4. Step 4: Simplify right side
    115,046,429x = 24,175,824,672,492,900
  5. Step 5: Solve for x
    x = 24,175,824,672,492,900/115,046,429
  6. Step 6: Final answer
    x = 210,139,722.57

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.