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Finding the Third Proportional to 692,360,498 and 990,011,203

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Solution

The third proportional to 692,360,498 and 990,011,203 is: 1,415,624,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,360,498 : 990,011,203 = 990,011,203 : x
  2. Step 2: Convert to fraction form
    692,360,498/990,011,203 = 990,011,203/x
  3. Step 3: Cross multiply
    692,360,498x = 990,011,203 × 990,011,203
  4. Step 4: Simplify right side
    692,360,498x = 980,122,182,065,507,200
  5. Step 5: Solve for x
    x = 980,122,182,065,507,200/692,360,498
  6. Step 6: Final answer
    x = 1,415,624,064.19

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.