Finding the Third Proportional to 456,468 and 709,560
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Solution
The third proportional to 456,468 and 709,560 is: 1,102,980.70
Step by Step Solution
- Step 1: Write the proportion equation
456,468 : 709,560 = 709,560 : x - Step 2: Convert to fraction form
456,468/709,560 = 709,560/x - Step 3: Cross multiply
456,468x = 709,560 × 709,560 - Step 4: Simplify right side
456,468x = 503,475,393,600 - Step 5: Solve for x
x = 503,475,393,600/456,468 - Step 6: Final answer
x = 1,102,980.70
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.