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Finding the Third Proportional to 2,991,547.69 and 4,914,852.19

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Solution

The third proportional to 2,991,547.69 and 4,914,852.19 is: 8,074,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,547.69 : 4,914,852.19 = 4,914,852.19 : x
  2. Step 2: Convert to fraction form
    2,991,547.69/4,914,852.19 = 4,914,852.19/x
  3. Step 3: Cross multiply
    2,991,547.69x = 4,914,852.19 × 4,914,852.19
  4. Step 4: Simplify right side
    2,991,547.69x = 24,155,772,024,973.54
  5. Step 5: Solve for x
    x = 24,155,772,024,973.54/2,991,547.69
  6. Step 6: Final answer
    x = 8,074,673.90

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.