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Finding the Third Proportional to 221,303,532 and 355,574,466

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Solution

The third proportional to 221,303,532 and 355,574,466 is: 571,311,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,303,532 : 355,574,466 = 355,574,466 : x
  2. Step 2: Convert to fraction form
    221,303,532/355,574,466 = 355,574,466/x
  3. Step 3: Cross multiply
    221,303,532x = 355,574,466 × 355,574,466
  4. Step 4: Simplify right side
    221,303,532x = 126,433,200,871,185,152
  5. Step 5: Solve for x
    x = 126,433,200,871,185,152/221,303,532
  6. Step 6: Final answer
    x = 571,311,265.25

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.