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Finding the Third Proportional to 315,312 and 700,608

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Solution

The third proportional to 315,312 and 700,608 is: 1,556,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,312 : 700,608 = 700,608 : x
  2. Step 2: Convert to fraction form
    315,312/700,608 = 700,608/x
  3. Step 3: Cross multiply
    315,312x = 700,608 × 700,608
  4. Step 4: Simplify right side
    315,312x = 490,851,569,664
  5. Step 5: Solve for x
    x = 490,851,569,664/315,312
  6. Step 6: Final answer
    x = 1,556,717.06

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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.