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Finding the Third Proportional to 1,266,955.17 and 2,989,499.91

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Solution

The third proportional to 1,266,955.17 and 2,989,499.91 is: 7,054,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,955.17 : 2,989,499.91 = 2,989,499.91 : x
  2. Step 2: Convert to fraction form
    1,266,955.17/2,989,499.91 = 2,989,499.91/x
  3. Step 3: Cross multiply
    1,266,955.17x = 2,989,499.91 × 2,989,499.91
  4. Step 4: Simplify right side
    1,266,955.17x = 8,937,109,689,468.76
  5. Step 5: Solve for x
    x = 8,937,109,689,468.76/1,266,955.17
  6. Step 6: Final answer
    x = 7,054,006.24

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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.