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Finding the Third Proportional to 2,918,819 and 6,216,516

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Solution

The third proportional to 2,918,819 and 6,216,516 is: 13,239,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,819 : 6,216,516 = 6,216,516 : x
  2. Step 2: Convert to fraction form
    2,918,819/6,216,516 = 6,216,516/x
  3. Step 3: Cross multiply
    2,918,819x = 6,216,516 × 6,216,516
  4. Step 4: Simplify right side
    2,918,819x = 38,645,071,178,256
  5. Step 5: Solve for x
    x = 38,645,071,178,256/2,918,819
  6. Step 6: Final answer
    x = 13,239,968.35

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.