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Finding the Third Proportional to 4,536,943 and 9,968,368

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Solution

The third proportional to 4,536,943 and 9,968,368 is: 21,902,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,536,943 : 9,968,368 = 9,968,368 : x
  2. Step 2: Convert to fraction form
    4,536,943/9,968,368 = 9,968,368/x
  3. Step 3: Cross multiply
    4,536,943x = 9,968,368 × 9,968,368
  4. Step 4: Simplify right side
    4,536,943x = 99,368,360,583,424
  5. Step 5: Solve for x
    x = 99,368,360,583,424/4,536,943
  6. Step 6: Final answer
    x = 21,902,051.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.