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Finding the Third Proportional to 43,256,402 and 66,955,287

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Solution

The third proportional to 43,256,402 and 66,955,287 is: 103,638,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,256,402 : 66,955,287 = 66,955,287 : x
  2. Step 2: Convert to fraction form
    43,256,402/66,955,287 = 66,955,287/x
  3. Step 3: Cross multiply
    43,256,402x = 66,955,287 × 66,955,287
  4. Step 4: Simplify right side
    43,256,402x = 4,483,010,457,252,369
  5. Step 5: Solve for x
    x = 4,483,010,457,252,369/43,256,402
  6. Step 6: Final answer
    x = 103,638,080.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.