Home / 145,479,045.75-317,623,514.25

Finding the Third Proportional to 145,479,045.75 and 317,623,514.25

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Solution

The third proportional to 145,479,045.75 and 317,623,514.25 is: 693,465,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,479,045.75 : 317,623,514.25 = 317,623,514.25 : x
  2. Step 2: Convert to fraction form
    145,479,045.75/317,623,514.25 = 317,623,514.25/x
  3. Step 3: Cross multiply
    145,479,045.75x = 317,623,514.25 × 317,623,514.25
  4. Step 4: Simplify right side
    145,479,045.75x = 100,884,696,804,519,952
  5. Step 5: Solve for x
    x = 100,884,696,804,519,952/145,479,045.75
  6. Step 6: Final answer
    x = 693,465,483.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.