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Finding the Third Proportional to 6,597,621 and 10,215,681.50

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Solution

The third proportional to 6,597,621 and 10,215,681.50 is: 15,817,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,597,621 : 10,215,681.50 = 10,215,681.50 : x
  2. Step 2: Convert to fraction form
    6,597,621/10,215,681.50 = 10,215,681.50/x
  3. Step 3: Cross multiply
    6,597,621x = 10,215,681.50 × 10,215,681.50
  4. Step 4: Simplify right side
    6,597,621x = 104,360,148,509,442.25
  5. Step 5: Solve for x
    x = 104,360,148,509,442.25/6,597,621
  6. Step 6: Final answer
    x = 15,817,845.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.