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Finding the Third Proportional to 8,988,516 and 19,658,646

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Solution

The third proportional to 8,988,516 and 19,658,646 is: 42,995,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,516 : 19,658,646 = 19,658,646 : x
  2. Step 2: Convert to fraction form
    8,988,516/19,658,646 = 19,658,646/x
  3. Step 3: Cross multiply
    8,988,516x = 19,658,646 × 19,658,646
  4. Step 4: Simplify right side
    8,988,516x = 386,462,362,553,316
  5. Step 5: Solve for x
    x = 386,462,362,553,316/8,988,516
  6. Step 6: Final answer
    x = 42,995,124.28

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.