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Finding the Third Proportional to 4,650,777 and 9,974,178

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Solution

The third proportional to 4,650,777 and 9,974,178 is: 21,390,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650,777 : 9,974,178 = 9,974,178 : x
  2. Step 2: Convert to fraction form
    4,650,777/9,974,178 = 9,974,178/x
  3. Step 3: Cross multiply
    4,650,777x = 9,974,178 × 9,974,178
  4. Step 4: Simplify right side
    4,650,777x = 99,484,226,775,684
  5. Step 5: Solve for x
    x = 99,484,226,775,684/4,650,777
  6. Step 6: Final answer
    x = 21,390,883.02

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.