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Finding the Third Proportional to 909,459.50 and 1,980,381

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Solution

The third proportional to 909,459.50 and 1,980,381 is: 4,312,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,459.50 : 1,980,381 = 1,980,381 : x
  2. Step 2: Convert to fraction form
    909,459.50/1,980,381 = 1,980,381/x
  3. Step 3: Cross multiply
    909,459.50x = 1,980,381 × 1,980,381
  4. Step 4: Simplify right side
    909,459.50x = 3,921,908,905,161
  5. Step 5: Solve for x
    x = 3,921,908,905,161/909,459.50
  6. Step 6: Final answer
    x = 4,312,351.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.