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Finding the Third Proportional to 355,575 and 777,570

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Solution

The third proportional to 355,575 and 777,570 is: 1,700,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,575 : 777,570 = 777,570 : x
  2. Step 2: Convert to fraction form
    355,575/777,570 = 777,570/x
  3. Step 3: Cross multiply
    355,575x = 777,570 × 777,570
  4. Step 4: Simplify right side
    355,575x = 604,615,104,900
  5. Step 5: Solve for x
    x = 604,615,104,900/355,575
  6. Step 6: Final answer
    x = 1,700,386.99

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.