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Finding the Third Proportional to 7,939,772 and 17,223,566

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Solution

The third proportional to 7,939,772 and 17,223,566 is: 37,362,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,772 : 17,223,566 = 17,223,566 : x
  2. Step 2: Convert to fraction form
    7,939,772/17,223,566 = 17,223,566/x
  3. Step 3: Cross multiply
    7,939,772x = 17,223,566 × 17,223,566
  4. Step 4: Simplify right side
    7,939,772x = 296,651,225,756,356
  5. Step 5: Solve for x
    x = 296,651,225,756,356/7,939,772
  6. Step 6: Final answer
    x = 37,362,688.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.