Home / 139,308,675.43-300,430,986.35

Finding the Third Proportional to 139,308,675.43 and 300,430,986.35

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Solution

The third proportional to 139,308,675.43 and 300,430,986.35 is: 647,904,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,308,675.43 : 300,430,986.35 = 300,430,986.35 : x
  2. Step 2: Convert to fraction form
    139,308,675.43/300,430,986.35 = 300,430,986.35/x
  3. Step 3: Cross multiply
    139,308,675.43x = 300,430,986.35 × 300,430,986.35
  4. Step 4: Simplify right side
    139,308,675.43x = 90,258,777,561,607,312
  5. Step 5: Solve for x
    x = 90,258,777,561,607,312/139,308,675.43
  6. Step 6: Final answer
    x = 647,904,929.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.