Home / 200,401,060.50-310,298,325.75

Finding the Third Proportional to 200,401,060.50 and 310,298,325.75

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Solution

The third proportional to 200,401,060.50 and 310,298,325.75 is: 480,461,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,401,060.50 : 310,298,325.75 = 310,298,325.75 : x
  2. Step 2: Convert to fraction form
    200,401,060.50/310,298,325.75 = 310,298,325.75/x
  3. Step 3: Cross multiply
    200,401,060.50x = 310,298,325.75 × 310,298,325.75
  4. Step 4: Simplify right side
    200,401,060.50x = 96,285,050,963,253,120
  5. Step 5: Solve for x
    x = 96,285,050,963,253,120/200,401,060.50
  6. Step 6: Final answer
    x = 480,461,783.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.