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Finding the Third Proportional to 4,585,258 and 9,966,572

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Solution

The third proportional to 4,585,258 and 9,966,572 is: 21,663,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585,258 : 9,966,572 = 9,966,572 : x
  2. Step 2: Convert to fraction form
    4,585,258/9,966,572 = 9,966,572/x
  3. Step 3: Cross multiply
    4,585,258x = 9,966,572 × 9,966,572
  4. Step 4: Simplify right side
    4,585,258x = 99,332,557,431,184
  5. Step 5: Solve for x
    x = 99,332,557,431,184/4,585,258
  6. Step 6: Final answer
    x = 21,663,460.91

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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.