Home / 173,243,395.50-385,221,284.75

Finding the Third Proportional to 173,243,395.50 and 385,221,284.75

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Solution

The third proportional to 173,243,395.50 and 385,221,284.75 is: 856,571,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,243,395.50 : 385,221,284.75 = 385,221,284.75 : x
  2. Step 2: Convert to fraction form
    173,243,395.50/385,221,284.75 = 385,221,284.75/x
  3. Step 3: Cross multiply
    173,243,395.50x = 385,221,284.75 × 385,221,284.75
  4. Step 4: Simplify right side
    173,243,395.50x = 148,395,438,224,440,576
  5. Step 5: Solve for x
    x = 148,395,438,224,440,576/173,243,395.50
  6. Step 6: Final answer
    x = 856,571,979.53

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.