Home / 200,012,125.50-300,550,722.75

Finding the Third Proportional to 200,012,125.50 and 300,550,722.75

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Solution

The third proportional to 200,012,125.50 and 300,550,722.75 is: 451,626,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,012,125.50 : 300,550,722.75 = 300,550,722.75 : x
  2. Step 2: Convert to fraction form
    200,012,125.50/300,550,722.75 = 300,550,722.75/x
  3. Step 3: Cross multiply
    200,012,125.50x = 300,550,722.75 × 300,550,722.75
  4. Step 4: Simplify right side
    200,012,125.50x = 90,330,736,945,547,360
  5. Step 5: Solve for x
    x = 90,330,736,945,547,360/200,012,125.50
  6. Step 6: Final answer
    x = 451,626,303.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.