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Finding the Third Proportional to 620,710 and 1,333,281.50

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Solution

The third proportional to 620,710 and 1,333,281.50 is: 2,863,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,710 : 1,333,281.50 = 1,333,281.50 : x
  2. Step 2: Convert to fraction form
    620,710/1,333,281.50 = 1,333,281.50/x
  3. Step 3: Cross multiply
    620,710x = 1,333,281.50 × 1,333,281.50
  4. Step 4: Simplify right side
    620,710x = 1,777,639,558,242.25
  5. Step 5: Solve for x
    x = 1,777,639,558,242.25/620,710
  6. Step 6: Final answer
    x = 2,863,880.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.