Finding the Third Proportional to 717,988 and 1,126,408
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Solution
The third proportional to 717,988 and 1,126,408 is: 1,767,153.47
Step by Step Solution
- Step 1: Write the proportion equation
717,988 : 1,126,408 = 1,126,408 : x - Step 2: Convert to fraction form
717,988/1,126,408 = 1,126,408/x - Step 3: Cross multiply
717,988x = 1,126,408 × 1,126,408 - Step 4: Simplify right side
717,988x = 1,268,794,982,464 - Step 5: Solve for x
x = 1,268,794,982,464/717,988 - Step 6: Final answer
x = 1,767,153.47
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.